• How to set the CPU affinity of Secure OS for Juno r1?
    Hi experts, I'm using the Juno r1 board with Linaro OPTEE released normal OS + secure OS. After some tests, I find that every time when the Client Application (CA) calls the function of a Trusted...
  • How to set the CPU affinity of Secure OS for Juno r1?
    Hi experts, I'm using the Juno r1 board with Linaro OPTEE released normal OS + secure OS. After some tests, I find that every time when the Client Application (CA) calls the function of a Trusted...
  • ARMv8-M MPS2_AEMv8M FVP, try to manually set XPSR in Privileged Secure state, the exception number cannot be set successfully.
    Hi Community, For test purpose, I try to manually set the XPSR register with exception number 3, in this way asm( "ldr r0, =0x21000003 \t\n" "msr xpsr, r0 \t\n" ); __builtin_arm_dsb(0xF); __builtin_arm_isb...
  • ARMv8-M MPS2_AEMv8M FVP, try to manually set XPSR in Privileged Secure state, the exception number cannot be set successfully.
    Hi Community, For test purpose, I try to manually set the XPSR register with exception number 3, in this way asm( "ldr r0, =0x21000003 \t\n" "msr xpsr, r0 \t\n" ); __builtin_arm_dsb(0xF); __builtin_arm_isb...
  • Interrupts from the secure world to the non-secure world.
    Hello experts, I am using SAM L11 (Core is Cortex-M23). I did a simple test of the interrupt. In the case of the handler was the secure world, it worked as I expected. The instruction sequences are...